Which of the following statements is true? 1. An activity measure in activity-based costing expresses how much of an activity is carried out and it is used as the allocation base for assigning overhead costs to products and services. 11. Activity-based management involves focusing on activities to eliminate waste, decrease processing time, and reduce defects. III. An activity-based costing system is generally more difficult to set up and run than a traditional cost system. Multiple Choice None of the statements are true. Statements II and ill are true Al of the statements are true. Statements I and il are true